问在textureview上播放sdcard视频

EN

public class tres extends Activity implements TextureView.SurfaceTextureListener {

private MediaPlayer mp;
private TextureView textureview;

private String Path = "video.mp4";

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.tres);


textureview = (TextureView) findViewById(R.id.vista_video);
textureview.setSurfaceTextureListener(this);

}

@Override
public void onSurfaceTextureAvailable(SurfaceTexture surface, int width,
int height) {
// TODO Auto-generated method stub

Surface s = new Surface(surface);

try {
mp= new MediaPlayer();
mp.setDataSource(Environment.getExternalStorageDir ectory()+"/" + Path);
mp.setSurface(s);
mp.prepare();

mp.setAudioStreamType(AudioManager.STREAM_MUSIC);
mp.start();


} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}